122,480
122,480 is a composite number, even.
122,480 (one hundred twenty-two thousand four hundred eighty) is an even 6-digit number. It is a composite number with 20 divisors, and factors as 2⁴ × 5 × 1,531. Its proper divisors sum to 162,472, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DE70.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 84,221
- Recamán's sequence
- a(30,012) = 122,480
- Square (n²)
- 15,001,350,400
- Cube (n³)
- 1,837,365,396,992,000
- Divisor count
- 20
- σ(n) — sum of divisors
- 284,952
- φ(n) — Euler's totient
- 48,960
- Sum of prime factors
- 1,544
Primality
Prime factorization: 2 4 × 5 × 1531
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,480 = [349; (1, 33, 1, 698)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-two thousand four hundred eighty
- Ordinal
- 122480th
- Binary
- 11101111001110000
- Octal
- 357160
- Hexadecimal
- 0x1DE70
- Base64
- Ad5w
- One's complement
- 4,294,844,815 (32-bit)
- Scientific notation
- 1.2248 × 10⁵
- As a duration
- 122,480 s = 1 day, 10 hours, 1 minute, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκβυπʹ
- Mayan (base 20)
- 𝋯·𝋦·𝋤·𝋠
- Chinese
- 一十二萬二千四百八十
- Chinese (financial)
- 壹拾貳萬貳仟肆佰捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122480, here are decompositions:
- 3 + 122477 = 122480
- 31 + 122449 = 122480
- 37 + 122443 = 122480
- 79 + 122401 = 122480
- 157 + 122323 = 122480
- 181 + 122299 = 122480
- 229 + 122251 = 122480
- 271 + 122209 = 122480
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.222.112.
- Address
- 0.1.222.112
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.222.112
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 122,480 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.